boon 
/ˈbu:n/ noun
plural boons /ˈbu:n/ noun [count] : something pleasant or helpful : a benefit or advantage — usually singular ▪ What at first looks like an inconvenience can be a boon. — usually + for or to ▪ The new tax cut is a boon for homeowners. ▪ Reliable daycare is a boon to working parents.
